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Skeleton SPIRV shader translator.

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This commit is contained in:
Ben Vanik
2015-11-25 16:37:28 -08:00
parent 80c6e14cdc
commit 71b9995448
3 changed files with 88 additions and 9 deletions
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22
src/xenia/gpu/shader_compiler_main.cc
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@@ -27,19 +27,25 @@ namespace xe {
namespace gpu {
int shader_compiler_main(const std::vector<std::wstring>& args) {
bool is_vertex_shader = false;
ShaderType shader_type;
if (!FLAGS_shader_type.empty()) {
if (FLAGS_shader_type == "vs") {
is_vertex_shader = false;
if (FLAGS_shader_type == "vert") {
shader_type = ShaderType::kVertex;
} else if (FLAGS_shader_type == "frag") {
shader_type = ShaderType::kPixel;
} else {
XELOGE("Invalid --shader_type; must be 'vert' or 'frag'.");
return 1;
}
} else {
auto last_dot = FLAGS_input_shader.find_last_of('.');
bool valid_type = false;
if (last_dot != std::string::npos) {
if (FLAGS_input_shader.substr(last_dot) == ".vert") {
is_vertex_shader = true;
shader_type = ShaderType::kVertex;
valid_type = true;
} else if (FLAGS_input_shader.substr(last_dot) == ".frag") {
shader_type = ShaderType::kPixel;
valid_type = true;
}
}
@@ -64,11 +70,17 @@ int shader_compiler_main(const std::vector<std::wstring>& args) {
fclose(input_file);
XELOGI("Opened %s as a %s shader, %" PRId64 " words (%" PRId64 " bytes).",
FLAGS_input_shader.c_str(), is_vertex_shader ? "vertex" : "fragment",
FLAGS_input_shader.c_str(),
shader_type == ShaderType::kVertex ? "vertex" : "fragment",
ucode_words.size(), ucode_words.size() * 4);
ShaderTranslator translator;
// TODO(benvanik): hash? need to return the data to big-endian format first.
uint64_t ucode_data_hash = 0;
auto translated_shader = translator.Translate(
shader_type, ucode_data_hash, ucode_words.data(), ucode_words.size());
return 0;
}